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Table 1

CoRoT data and results from the analysis for the three stars.

Parameter HD 46223 HD 46150 HD 46966

CoRoT data
number of raw data, NR 92687 92695 92688
number of non-flagged data, N 80403 80282 82273
duty cycle (N/NR, in %) 86.75 86.61 88.76
start date non-flagged data (HJD – 2 450 000) 4748.488547 4748.485591 4748.488454
end date non-flagged data (HJD – 2 450 000) 4782.819650 4782.819657 4782.805898
duration, T (d) 34.331103 34.334066 34.317444
freq resolution (d-1) 0.029128 0.029126 0.029140

Spectral window
window peak (%) at 2.0 d-1 3.5 3.8 3.9
window peak (%) at 4.0 d-1 1.1 1.0 1.1

Stopping criterion: number of frequencies
AICc 860 821 595
BIC 491 444 277
HQC 662 625 427

Number of red-noise significant frequencies
59 50 53

Number of red-noise significant frequencies present in both halves of the observing run
10 7 3

Red noise – fit parameters
α0 (counts) 442 ± 31 430 ± 65 416 ± 85
τ (d) 0.09 ± 0.01 0.08 ± 0.02 0.17 ± 0.05
γ 0.96 ± 0.02 0.96 ± 0.03 0.91 ± 0.02

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